The US won’t reach herd immunity this year. So how will it live with Covid?

Daily life will vary depending on where you live, and how local officials decide to implement - or ignore - public health measures

For many months, members of the public have equated a return to normal life" with the phrase herd immunity": that threshold reached when the Covid-19 pandemic would be boxed in by immunization campaigns, find no new hosts and society would return to a 2019-style normal.